feat(regulatory): 增加本地法规RAG索引检索

config/settings.py

@@ -105,6 +105,23 @@ LLM_API_KEY = os.environ.get("LLM_API_KEY", "")
 LLM_BASE_URL = os.environ.get("LLM_BASE_URL", "https://api.siliconflow.cn/v1")
 LLM_MODEL = os.environ.get("LLM_MODEL", "")
 
+REGULATORY_RAG_PROVIDER = os.environ.get("REGULATORY_RAG_PROVIDER", "siliconflow")
+REGULATORY_RAG_CHROMA_PATH = os.environ.get(
+    "REGULATORY_RAG_CHROMA_PATH",
+    str(MEDIA_ROOT / "regulatory_review" / "rag" / "chroma"),
+)
+REGULATORY_RAG_COLLECTION = os.environ.get(
+    "REGULATORY_RAG_COLLECTION",
+    "nmpa_ivd_registration_v1",
+)
+SILICONFLOW_BASE_URL = os.environ.get("SILICONFLOW_BASE_URL", "https://api.siliconflow.cn/v1")
+SILICONFLOW_API_KEY = os.environ.get("SILICONFLOW_API_KEY", "")
+SILICONFLOW_EMBEDDING_MODEL = os.environ.get(
+    "SILICONFLOW_EMBEDDING_MODEL",
+    "Qwen/Qwen3-Embedding-4B",
+)
+SILICONFLOW_EMBEDDING_DIMENSIONS = int(os.environ.get("SILICONFLOW_EMBEDDING_DIMENSIONS", "1024"))
+
 LOGGING = {
     "version": 1,
     "disable_existing_loggers": False,